In adult males, the testes secrete
A) estrogens.
B) androgens.
C) FH and GnRH.
D) progesterone.
E) LSH and FH.
B) androgens.
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The ends of long bones are known as the ________.
A. medulla B. periosteum C. diaphysis D. epiphyses
Answer the following statements true (T) or false (F)
1. The dorsal cavity is a made up of a single cavity containing the brain and spinal cord. 2. The abdominopelvic region is divided into four quadrants, the left and right lumbar regions on the upper part and the left and right iliac regions on the lower part. 3. The cells in the body live in a water environment that contains dissolved salts and other substances. 4. The terms ophthalmic and orbital both refer to the eye area. 5.
Cancer is abnormal, uncontrolled cell division. What property of epithelial tissues makes them more prone to develop this condition?
What will be an ideal response?
The model that helps explain how an enzyme works is the
A. three-dimensional model. B. denaturation model. C. activation model. D. lock-and-key model.